There are two types of Ubuntu on Air sessions:
Ones which take place during other events, mixed in with IRC sessions - during User Days, Open Week, etc. These have chat taking place in #ubuntu-classroom-chat so users don't get confused and have to change channels.
Stand alone Ubuntu on Air sessions:
These have chat in #ubuntu-on-air
There are two types of Ubuntu on Air sessions:
Ones which take place during other events, mixed in with IRC sessions - during User Days, Open Week, etc. These have chat taking place in #ubuntu- classroom- chat so users don't get confused and have to change channels.
Stand alone Ubuntu on Air sessions:
These have chat in #ubuntu-on-air